[What a unique set of base elements, so far as magic systems go. He's quite pleased plant is among them, though. For living on the surface, humans always seemed to take that one for granted, funneling it into earth.

Draxum nods, and watches Luz complete her experiment. She gave him enough space that he can't feel the steam, but he can see the difference for himself from the way the steam rises this time. The earlier mist—being both cooler and made up of more water droplets—hadn't done that.]

So you started by combining a fire and ice glyph, then added a third. An extra ice glyph for cold mist, and another fire for the steam?